107 lines
3.4 KiB
Python
107 lines
3.4 KiB
Python
# Owner(s): ["module: dynamo"]
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import contextlib
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import torch._dynamo.test_case
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import torch._dynamo.testing
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from torch._dynamo.testing import CompileCounter
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from torch.backends.cuda import SDPAParams
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@contextlib.contextmanager
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def allow_in_graph_sdpa_params():
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global SDPAParams
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try:
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old = SDPAParams
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SDPAParams = torch._dynamo.allow_in_graph(SDPAParams)
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yield
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finally:
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SDPAParams = old
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class TestSDPA(torch._dynamo.test_case.TestCase):
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def assert_ref_equals_params(self, actual, expected):
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self.assertIs(actual.query, expected.query)
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self.assertIs(actual.key, expected.key)
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self.assertIs(actual.value, expected.value)
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self.assertIs(actual.attn_mask, expected.attn_mask)
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def test_returns_SDPAParams(self):
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with allow_in_graph_sdpa_params():
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counter = CompileCounter()
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@torch.compile(fullgraph=True, backend=counter)
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def fn(q, k, v, m):
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return SDPAParams(q, k, v, m, 0.1, True, False)
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q = torch.randn(10)
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k = torch.randn(10)
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v = torch.randn(10)
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m = torch.randn(10)
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o = fn(q, k, v, m)
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self.assertTrue(isinstance(o, SDPAParams))
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self.assert_ref_equals_params(o, SDPAParams(q, k, v, m, 0.1, True, False))
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self.assertEqual(counter.frame_count, 1)
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def test_graph_break_SDPAParams(self):
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with allow_in_graph_sdpa_params():
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counter = CompileCounter()
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@torch.compile(backend=counter)
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def fn(q, k, v, m):
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z = SDPAParams(q, k, v, m, 0.1, True, False)
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torch._dynamo.graph_break()
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return z, q + 1
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q = torch.randn(10)
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k = torch.randn(10)
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v = torch.randn(10)
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m = torch.randn(10)
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o, _ = fn(q, k, v, m)
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self.assertTrue(isinstance(o, SDPAParams))
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self.assert_ref_equals_params(o, SDPAParams(q, k, v, m, 0.1, True, False))
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self.assertEqual(counter.frame_count, 2)
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def test_input_SDPAParams(self):
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with allow_in_graph_sdpa_params():
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counter = CompileCounter()
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@torch.compile(backend=counter)
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def fn(sdpap, q):
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torch._dynamo.graph_break()
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return sdpap, sdpap.query + q
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q = torch.randn(10)
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k = torch.randn(10)
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v = torch.randn(10)
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m = torch.randn(10)
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s = SDPAParams(q, k, v, m, 0.1, True, False)
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o, _ = fn(s, q)
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self.assertIs(o, s)
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self.assertEqual(counter.frame_count, 1)
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def test_intermediate_attr_access_SDPAParams(self):
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with allow_in_graph_sdpa_params():
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counter = CompileCounter()
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@torch.compile(fullgraph=True, backend=counter)
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def fn(q, k, v, m):
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q += 1
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z = SDPAParams(q, k, v, m, 0.1, True, False)
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a = z.query
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return a + 1, z, q
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q = torch.randn(10)
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k = torch.randn(10)
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v = torch.randn(10)
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m = torch.randn(10)
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_, o, _ = fn(q, k, v, m)
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expected = SDPAParams(q, k, v, m, 0.1, True, False)
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self.assert_ref_equals_params(o, expected)
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self.assertEqual(counter.frame_count, 1)
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if __name__ == "__main__":
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from torch._dynamo.test_case import run_tests
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run_tests()
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